UA 4697 then ET 3511 at O'Hare
Charleston (West Virginia) → Chicago → Muscat
Timetable, Chicago time
14:55UA 4697 from Charleston (West Virginia) at the gate
09:05ET 3511 to Muscat leaves the gate
18 h 10 apart on the timetable, overnight
ET 3511 leaves 18 h 10 after UA 4697 arrives on the timetable: more than half a day, so not a connection we count.